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Sources of Individual Differences in Stressful Life Event Exposure in Male and Female Twins

Published online by Cambridge University Press:  21 February 2012

P. Kevin Bolinskey ,
Michael C. Neale ,
Kristen C. Jacobson ,
Carol A. Prescott  and
Kenneth S. Kendler
P. Kevin Bolinskey*
Affiliation:
Medical College of Virginia of Virginia Commonwealth University, Richmond, USA. [email protected]
Michael C. Neale
Affiliation:
Medical College of Virginia of Virginia Commonwealth University, Richmond, USA.
Kristen C. Jacobson
Affiliation:
Medical College of Virginia of Virginia Commonwealth University, Richmond, USA.
Carol A. Prescott
Affiliation:
Medical College of Virginia of Virginia Commonwealth University, Richmond, USA.
Kenneth S. Kendler
Affiliation:
Medical College of Virginia of Virginia Commonwealth University, Richmond, USA.
*
*Address for correspondence: P. Kevin Bolinskey, Virginia Institute of Psychiatric and Behavioral Genetics, 800 East Leigh St., Suite 1, PO Box 980126, Medical College of Virginia, Richmond, VA 23298-0126, USA.

Abstract

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The roles of genetic and environmental influences on stressful life events were examined in 3938 twin pairs (MZ, same-sex DZ, and opposite-sex DZ) using a sex-limitation model. Life events were assessed by personal interview, and were categorized as being either personal (i.e., events that occur directly to the individual) or network (i.e., events that occur to someone within the individual's social network, thus affecting the individual indirectly). Consistent with previous reports, genetic factors were found to exert more influence on personal events than network events. Genetic correlations between males and females suggest that many of the same genetic factors are acting within both genders.

Type
Articles
Information
Twin Research and Human Genetics , Volume 7 , Issue 1 , 01 February 2004 , pp. 33 - 38
Copyright
Copyright © Cambridge University Press 2004